Lesson Plan

# Using Trigonometry to solve for sides of right triangles

Demonstrate the process of using trigonometric functions to find the missing sides of triangles in real life situations
Kathleen F.
Special education instructor
Ridge High School
My Subjects Math
Objectives

Use trigonometric functions (Sine, Cosine  or Tangent) to solve for missing sides of triangles in real life situations.

Demonstrate knowledge by creating a video using the ShowMe interactive white board app.

Subjects
Math

#### 1 Review Trigonometric Ratios

Activity: Conversing

Hand out project worksheet & facilitate brainstorm of the trigonometric ratios; sine, cosine and tangent.

Have students write them on the board

Student Instructions

Brainstorm trigonometric function ratios.

Write on board for reference.

After reading over the problems the students will complete, model an example using the ShowMe app projected onto board using iPad and projector

Answer any questions students may have

Student Instructions

Observe tacher model of ShowMe

Questions?

#### 3 Students solve problems on paper first

Activity: Creating

Instruct students to complete problems # 1 & 32

Student Instructions

Complete problems #1 & #2 on paper first (as a dry run)

Follow directions, remembering to draw and label diagram and show calculations and check answers.

#### 4 Students create ShowMe presentation

Distribute iPads and Styluses to students

Student Instructions